13058220 has 48 divisors (see below), whose sum is σ = 41787648. Its totient is φ = 2984640.

The previous prime is 13058203. The next prime is 13058239. The reversal of 13058220 is 2285031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15126 + ... + 15965.

It is an arithmetic number, because the mean of its divisors is an integer number (870576).

Almost surely, 2^13058220 is an apocalyptic number.

13058220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13058220 is an abundant number, since it is smaller than the sum of its proper divisors (28729428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13058220 is a wasteful number, since it uses less digits than its factorization.

13058220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31110 (or 31108 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 13058220 is about 3613.6159176094. The cubic root of 13058220 is about 235.4839581393.

The spelling of 13058220 in words is "thirteen million, fifty-eight thousand, two hundred twenty".